docs: def do_use(self, region):
          """
          Switch the AWS region
  
          > use us-west-1
          > use us-east-1
  
          """
          if self._local_endpoint is not None:
              host, port = self._local_endpoint  # pylint: disable=W0633
              self.engine.connect(
                  region, session=self.session, host=host, port=port, is_secure=False
              )
          else:
              self.engine.connect(region, session=self.session)